/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package a.gui.proguard.gui.splash;

import java.awt.*;

/**
 * This Sprite represents an animated image.
 *
 * @author Eric Lafortune
 */
public class ImageSprite implements Sprite {
    private final Image image;
    private final VariableInt x;
    private final VariableInt y;
    private final VariableDouble scaleX;
    private final VariableDouble scaleY;

    /**
     * Creates a new ImageSprite.
     * 
     * @param image the Image to be painted.
     * @param x the variable x-coordinate of the upper-left corner of the image.
     * @param y the variable y-coordinate of the upper-left corner of the image.
     * @param scaleX the variable x-scale of the image.
     * @param scaleY the variable y-scale of the image.
     */
    public ImageSprite(Image image, VariableInt x, VariableInt y, VariableDouble scaleX, VariableDouble scaleY) {
        this.image = image;
        this.x = x;
        this.y = y;
        this.scaleX = scaleX;
        this.scaleY = scaleY;
    }

    // Implementation for Sprite.

    public void paint(Graphics graphics, long time) {
        int xt = x.getInt(time);
        int yt = y.getInt(time);

        double scale_x = scaleX.getDouble(time);
        double scale_y = scaleY.getDouble(time);

        int width = (int)(image.getWidth(null) * scale_x);
        int height = (int)(image.getHeight(null) * scale_y);

        graphics.drawImage(image, xt, yt, width, height, null);
    }
}
